Not so much a film, but a televised series of plays broadcast in the 1970's in the UK...however, since it is not a television series which follows the same characters, but, rather a set of individual stories with different actors each time, to me, they are like films and count as such.

"THRILLER" is the series...

Here is the fantastic pilot starring the ever-handsome Robert Powell. If you enjoy crime, drama and mysteries, this should suit you well: